Re: [PATCH] [v2] TAINT_PERFORMANCE

2014-08-20 Thread Dave Hansen
On 08/20/2014 01:11 AM, Ingo Molnar wrote: > In any case I don't think it's a good idea to abuse existing > facilities just to gain attention: you'll get the extra > attention, but the abuse dilutes the utility of those only > tangentially related facilities. I'm happy to rip the TAINT parts ou

Re: [PATCH] [v2] TAINT_PERFORMANCE

2014-08-20 Thread Josh Boyer
On Wed, Aug 20, 2014 at 4:11 AM, Ingo Molnar wrote: > > * Dave Hansen wrote: > >> >> From: Dave Hansen >> >> Changes from v1: >> * remove schedstats >> * add DEBUG_PAGEALLOC and SLUB_DEBUG_ON >> >> -- >> >> I have more than once myself been the victim of an accidentally- >> enabled kernel conf

Re: [PATCH] [v2] TAINT_PERFORMANCE

2014-08-20 Thread Ingo Molnar
* Dave Hansen wrote: > > From: Dave Hansen > > Changes from v1: > * remove schedstats > * add DEBUG_PAGEALLOC and SLUB_DEBUG_ON > > -- > > I have more than once myself been the victim of an accidentally- > enabled kernel config option being mistaken for a true > performance problem. > >

[PATCH] [v2] TAINT_PERFORMANCE

2014-08-19 Thread Dave Hansen
From: Dave Hansen Changes from v1: * remove schedstats * add DEBUG_PAGEALLOC and SLUB_DEBUG_ON -- I have more than once myself been the victim of an accidentally- enabled kernel config option being mistaken for a true performance problem. I'm sure I've also taken profiles or performance mea